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171 results for “Alliaria petiolata”
Kellogg Biological Station site, station Kellogg Biological Station, study of aboveground net primary productivity of Alliaria petiolata (garlic mustard) in units of gramsPerMeterSquaredPerYear on a yearly timescale
The EcoTrends project was established in 2004 by Dr. Debra Peters (Jornada Basin LTER, USDA-ARS Jornada Experimental Range) and Dr. Ariel Lugo (Luquillo LTER, USDA-FS Luquillo Experimental Forest) to support the collection and analysis of long-term ecological datasets. The project is a large synthesis effort focused on improving the accessibility and use of long-term data. At present, there are ~50 state and federally funded research sites that are participating and contributing to the EcoTrends project, including all 26 Long-Term Ecological Research (LTER) sites and sites funded by the USDA Agriculture Research Service (ARS), USDA Forest Service, US Department of Energy, US Geological Survey (USGS) and numerous universities. Data from the EcoTrends project are available through an exploratory web portal (http://www.ecotrends.info). This web portal enables the continuation of data compilation and accessibility by users through an interactive web application. Ongoing data compilation is updated through both manual and automatic processing as part of the LTER Provenance Aware Synthesis Tracking Architecture (PASTA). The web portal is a collaboration between the Jornada LTER and the LTER Network Office. The following dataset from Kellogg Biological Station (KBS) contains aboveground net primary productivity of Alliaria petiolata (garlic mustard) measurements in gramsPerMeterSquaredPerYear units and were aggregated to a yearly timescale.
Alliaria petiolata (Brassicaceae) - whole plant - in flower - general view
Image of Alliaria petiolata (Brassicaceae) - whole plant - in flower - general view
Alliaria petiolata (Brassicaceae) - inflorescence - frontal view of flower
Image of Alliaria petiolata (Brassicaceae) - inflorescence - frontal view of flower
Alliaria petiolata (Brassicaceae) - stem - showing leaf bases
Image of Alliaria petiolata (Brassicaceae) - stem - showing leaf bases
Alliaria petiolata (Brassicaceae) - leaf - on upper stem
Image of Alliaria petiolata (Brassicaceae) - leaf - on upper stem
Alliaria petiolata (Brassicaceae) - leaf - on upper stem
Image of Alliaria petiolata (Brassicaceae) - leaf - on upper stem
Alliaria petiolata (Brassicaceae) - inflorescence - whole - unspecified
Image of Alliaria petiolata (Brassicaceae) - inflorescence - whole - unspecified
Data on long-term demographic information for Alliaria petiolata in eastern North America
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Data from: Assessing feasibility in invasive plant management: a retrospective analysis of garlic mustard (Alliaria petiolata) control
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Data from: Spatial and temporal diversity in hyperparasitoid communities of Cotesia glomerata on garlic mustard, Alliaria petiolata
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Data from: Climate and rapid local adaptation as drivers of germination and seed bank dynamics of Alliaria petiolata (garlic mustard) in North America
Local differences in climate conditions may facilitate rapid evolutionary changes in introduced plants to optimize timing of germination or ability to survive in seed banks, which may constitute beneficial demographic adaptations during range expansions. Understanding differences in germination requirements and emergence patterns across a species' range is critical for demographic modelling and potential invasive species control efforts. We assessed germination responses of Alliaria petiolata using seeds collected from 10 populations spanning much of the North American distribution of the species. We compared germination responses under different stratification regimes in a growth chamber over 2·5 years, and evaluated seedling emergence in a common garden in Ithaca, New York over 13 years. We further evaluated how climate overlap between Ithaca and original collection sites influenced emergence patterns. In the laboratory, germination of all populations was similar and highest at 4 °C stratification. Seeds exposed to sub-zero temperatures delayed germination and population responses were variable. In the common garden, seedlings from most populations emerged over 13 years, and emergence patterns were strongly influenced by population. Annual emergence was positively correlated with spring temperature and inversely correlated with number of spring days with minimum temperature below freezing. Climate overlap between the common garden and original collection location enhanced germination, but common garden climate conditions over the course of the 13-year experiment and population identity had greater explanatory power. Synthesis. Laboratory germination tests did not reflect seedling emergence under field conditions. After 150 years of residence time in North America, Alliaria petiolata populations have developed striking differences in their responses to local climates and stratification requirements suggesting that a complex interplay of pre-adaptation, rapid evolutionary changes, and phenotypic plasticity result in locally adapted populations.
Data from: Soil-mediated eco-evolutionary feedbacks in the invasive plant Alliaria petiolata
Ecological and evolutionary processes historically have been assumed to operate on significantly different time scales. We know now from theory and work in experimental and model systems that these processes can feed back on each other on mutually relevant time scales. Here, we present evidence of a soil-mediated eco-evolutionary feedback on the population dynamics of an invasive biennial plant, Alliaria petiolata. As populations age, natural selection drives down production of A. petiolata's important anti-mycorrhizal allelochemical, sinigrin. This occurs due to density dependent selection on sinigrin, which is favored under interspecific, but disfavored under intraspecific, competition. We show that population stochastic growth rates (λS) and plant densities are positively related to sinigrin concentration measured in seedling roots. This interaction is mediated by sinigrin's positive effect on seedling and summer survival, which are important drivers of λS. Together, these illustrate how the evolution of a trait shaped by natural selection can influence the ecology of a species over a period of just years to decades, altering its trajectory of population growth and interactions with the species in the soil and plant communities it invades. Our findings confirm predictions that eco-evolutionary feedbacks occur in natural populations. Furthermore, they improve our conceptual framework for projecting future population growth by linking variation in plant demography to a critical competitive trait (sinigrin) whose selective advantages decrease as populations age.
Alliaria petiolata (M.Bieb.) Cavara & Grande (BR0000010537916)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Alliaria petiolata (M.Bieb.) Cavara & Grande (BR0000010538937)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Alliaria petiolata (M.Bieb.) Cavara & Grande (BR0000010538487)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Alliaria petiolata (M.Bieb.) Cavara & Grande (BR0000010537848)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Alliaria petiolata (M.Bieb.) Cavara & Grande (BR0000010502235)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Alliaria petiolata (M.Bieb.) Cavara & Grande (BR0000010538753)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Alliaria petiolata (M.Bieb.) Cavara & Grande (BR0000010538180)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Alliaria petiolata (M.Bieb.) Cavara & Grande (BR0000010423998)
Belgium Herbarium image of <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
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